#!/usr/bin/perl

#
# geo://wpname:cmnt@34.15,-118.15/topo=/somedir,aerial=/someotherdir
#

die "Usage: viking-remote uri\n" if ( $#ARGV < 0 );

if ( $ARGV[0] eq "debug" ) {
  $DEBUG = 1;
  shift @ARGV;
} else {
  $DEBUG = 0;
}

($ARGV[0] =~ m<(geo:)?/*([^/]*)(/(.*))?>) or die "Bad URI";
$loc = $2;
$extras = $4;

if ( $loc =~ /^(GC[0-9A-Z]+)$/ ) {
 $gc = $loc;
 $loc=`gcfetchtxt http://www.geocaching.com/seek/cache_details.aspx?wp=$loc|head -2|tail +2`;
}

# have a lot of fun...
($loc =~ /^(([^:@]*)(:([^:@]*))?@)?N?(S?)\s*((([0-9'"`°o\-\.])|(° ))*)[, ]\s*E?(W?)\s*(([0-9'"`o\-\.]|(° ))*)(:([0-9\-\.]*))?$/)
    or die "Bad URI";

$wp = $2 ? $2 : ( $gc ? $gc : "waypoint" );
$cmt = $4; $lat = $6; $lon = $11; $alt = $15;

$latfact = ($5 eq "S") ? -1 : 1;
$lonfact = ($10 eq "W") ? -1 : 1;

if ( $lat =~ /^(-?)(\d*)[°'"`o] *([\d.]*)$/ ) {
  $lat = ($2 + ($3/60)) * ($1 ? -1 : 1);
}
if ( $lon =~ /^(-?)(\d*)[°'"`o] *([\d.]*)$/ ) {
  $lon = ($2 + ($3/60)) * ($1 ? -1 : 1);
 }

$lat *= $latfact;
$lon *= $lonfact;

if ( $extras =~ /^(auto)?street/ ) {
  $mode = "latlon";
  $zoom = 4.205;
} else {
  $mode = "utm";
  $zoom = 4.0;
}

if ( $DEBUG ) {
  open(PIPE, "|cat");
} else {
  open(PIPE, "|viking -- -");
}

print PIPE <<ENDDATA;
#VIKING GPS Data file http://gpsmaps.org/viking/
xmpp=$zoom;
ympp=$zoom;
lat=$lat
lon=$lon
mode=$mode
ENDDATA

@maps = split(',', $extras);
foreach $map (@maps) {
  $maptype = -1;
  $mapname = $map;
  $mapdir = "";
  $auto = "f";
  if ( $map =~ /^auto/ ) {
    $auto = "t";
    $map = substr($map, 4, 999);
  }
  if ( $map =~ /^street/i ) {
    $maptype = 9;
  } elsif ( $map =~ /^expedia/i ) {
    $maptype = 5;
  } elsif ( $map =~ /^urban/ || $map =~ /^color/ ) {
    $maptype = 4;
  } elsif ( $map =~ /^topo/ || $map =~ /^terraserver/ ) {
    $maptype = 2;
  } elsif ( $map =~ /^ortho/ || $map =~ /^aerial/ ) {
    $maptype = 1;
  }
  if ( $maptype != -1 ) {
    @mapanddir = split('=', $map);
    if ( $#mapanddir > 0 ) {
      $mapname = $mapanddir[0];
      $mapdir = $mapanddir[1];
    }
    print PIPE <<ENDDATA;

~Layer Map
name=$mapname
mode=$maptype
directory=$mapdir
autodownload=$auto
~EndLayer
ENDDATA
  }
}

print PIPE <<ENDDATA;

~Layer TrackWaypoint
name=$wp
tracks_visible=t
waypoints_visible=t
~LayerData
type="waypoint" latitude="$lat" longitude="$lon" name="$wp" comment="$cmt" altitude="$alt"
~EndLayerData
~EndLayer
ENDDATA


close(PIPE);